Archive
17th of March 2017
Chemistry
Q:

Write an activity to show the acidic nature of ethanol and for test of unsaturation of compounds why chlorine water cannot be used instead of bromine water?

Sayon Ghosh - CBSE - Class X

Friday, March 17, 2017 at 17:48:PM

A:

Alcohols can behave as weak acids, undergoing deprotonation. The deprotonation reaction to produce an alkoxide salt is either performed with a strong base such as sodium hydride or n-butyllithium, or with sodium or potassium metal.

E.g. 2 CH3CH2-OH + 2 Na --> 2 CH3-CH2-O-Na + H2

Test for unsaturation

Friday, March 17, 2017 at 18:02:PM